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arsenopyrite

[ ahr-suh-noh-pahy-rahyt, ahr-sen-uh- ]

noun

  1. a common mineral, iron arsenic sulfide, FeAsS, occurring in silver-white to steel-gray crystals or masses: an ore of arsenic.


arsenopyrite

/ ˌɑːsɪnəʊˈpaɪraɪt; ɑːˌsɛnə- /

noun

  1. a white or grey metallic mineral consisting of a sulphide of iron and arsenic that forms monoclinic crystals with an orthorhombic shape: an ore of arsenic. Formula: FeAsS Also calledmispickel


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Word History and Origins

Origin of arsenopyrite1

First recorded in 1880–85; arseno- + pyrite

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arsenolitearsenous